253693556940 has 48 divisors (see below), whose sum is σ = 729540397152. Its totient is φ = 65823192576.

The previous prime is 253693556869. The next prime is 253693556947. The reversal of 253693556940 is 49655396352.

253693556940 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (253693556947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57135969 + ... + 57140408.

It is an arithmetic number, because the mean of its divisors is an integer number (15198758274).

Almost surely, 2^253693556940 is an apocalyptic number.

253693556940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

253693556940 is an abundant number, since it is smaller than the sum of its proper divisors (475846840212).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

253693556940 is a wasteful number, since it uses less digits than its factorization.

253693556940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114276426 (or 114276424 counting only the distinct ones).

The product of its (nonzero) digits is 26244000, while the sum is 57.

The spelling of 253693556940 in words is "two hundred fifty-three billion, six hundred ninety-three million, five hundred fifty-six thousand, nine hundred forty".